What impressed me most in his report lies in the words to bring about an _________ of the conditions of the working men and women．
| A．improvement | B．advance | C．increase | D．achievement |
More than two hundred years ago the United States _______ from the British Empire and became an independent country.
| A．broke down | B．broke out | C．broke away | D．broke off |
. ---Professor Wang is said ______ in New York.
---No wonder he knows a lot about America.
| A．to study | B．to have studied | C．to be studying | D．that he is studying |
The games _______ the young men competed were difficult.
| A．in which | B．which | C．that | D．in that |
The young nurse was very nervous when she ______ the doctor in operating on the patient.
| A．insisted | B．resisted | C．assisted | D．listed |
.— Are you satisfied with the result of the examination?
— Not at all. _______.
| A．That’s all right | B．It’s up to you |
| C．It couldn’t be worse | D．It depends |